Cloud, deploys and infrastructure interview questions
Expand-and-contract deploys, graceful shutdown, containers, Kubernetes basics, canary releases, feature flags, config, infrastructure as code, disaster recovery and serverless.
– interview-ready · 10 questions in this topic
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Questions
- Expand and contract changesOrder the steps
- Graceful shutdownPredict
- Containers and imagesPick the fix
- Kubernetes basics for backend developersPick the fix
- Blue-green and canary releasesOrder the steps
- Feature flags on the serverPredict
- Configuration across environmentsPredict
- Infrastructure as codePick the fix
- Backups, RPO, RTO and multi-regionPredict
- When serverless fitsPick the fix
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Flashcards · 14
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Quick quiz · 10 questions
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Mock interview · 2 sets
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Quick facts
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Kubernetes grace period
terminationGracePeriodSeconds defaults to 30; then the container gets SIGKILL.
RPO and RTO
RPO is how much data you can lose; RTO is how long recovery may take.
Replicas aren't backups
A DROP or bad DELETE replicates to every replica within seconds.
CPU limits throttle
A container at its CPU limit is throttled; at its memory limit it's OOM-killed.
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Sources: Topic outline informed by System Design Primer by Donne Martin and the Zalando RESTful API Guidelines, both licensed under CC BY 4.0. Every question and answer is written by Best Latest Apps. Credits and license